Quarterly report pursuant to Section 13 or 15(d)

Development Award - Additional Information (Detail)

v3.2.0.727
Development Award - Additional Information (Detail)
 6 Months Ended
Apr. 20, 2015
USD ($)
Installment
Jun. 30, 2015
USD ($)
Development Award [Line Items]    
Amount received upon execution of award agreement $ 1,250,000  
Deferred revenue   $ 1,250,000
Amortization of future milestone payments 1,250,000 $ 1,250,000
Resunab [Member]    
Development Award [Line Items]    
Amount received upon execution of award agreement $ 1,250,000  
Percentage of royalty over receivables under agreement 500.00%  
Number of installments | Installment 3  
Payment due period after the first commercial sale $ 0  
Royalty payment, sales target 500,000,000  
Maximum [Member] | Resunab [Member]    
Development Award [Line Items]    
Development award received 5,000,000  
Upon Commercialization of the Product [Member] | Maximum [Member] | Resunab [Member]    
Development Award [Line Items]    
Royalty payable 25,000,000  
Upon Reaching the Sales Target [Member] | Maximum [Member] | Resunab [Member]    
Development Award [Line Items]    
Royalty payable 5,000,000  
Upon Transfer Sale or Licensing [Member] | Resunab [Member]    
Development Award [Line Items]    
Royalty payable $ 15,000,000